{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0x550c747043986ffda6761bcadc4e3cb3fffa0113bbc7e30e02439b2f03c83070",
    "signature": "0x4cc4f210b3ec7b71daf31d2cb5ca6d86347d7fc142644fef3ae321780bea0a2c7810faad9921a8fbd60a19da8e97733ec995e5de99c61df1f0a5b3d09f3a3bb21b",
    "signer": "0x08Fa8354C01B4094B1DdBCD5ccbe915F5fc5939D",
    "userId": "132634"
  }
}